Corner-bead.



M. A. HANNON.

CORNER BEAD.

APPLICATION FILED JAN 23, 1909.

Patented June 1, 1909.

UNITED STATES r gfnnir OFFICE.

MICHAEL A. HANNON, OF BOSTON, MASSACHUSETTS.

CORNER-DEAD.

No. 923,430. Specification of Letters Patent. Patented June 1, 1909.

Application filed January 23, 1909. Serial No. 473,885.

To all whom it may concern: vided with perforations of ample size and Be it known that 1, MICHAEL A. HANNON, any desired shape, but which include also the of Boston, in the county of Suffolk and State marginal portions of the bead. By reason of of Massachusetts, have invented certain new extending the perforations partly into the 5 and useful I111 rovenients in Corner-Beads, bead portion, the interior surface thereof of which the f0 owing is aspecification. 3 serves to oppose any outward tendency of This invention has relation to corner beads l the laster, and the plaster when applied for lastering, and its object is to form a may be very readily worked into that portion sing e strip of sheet metal into a corner bead 0f the strip.

10 characterized by having a curved or bulging I claim: bead portion, wing portions for attaching, 1. A corner bead composed of a strip intermediate web ortions, and perforations formed with a head portion, wing portions, which include the iiead and web portions and web portions connecting the wing portions which facilitate the introduction of plaster with the beadportion, and perforations each 1 into the interior of the head portion. Ample embracing a web portion and a part of the connection of the body of plaster on one side bead portion. of the bead with that on the other side is thus 2. A corner bead composed of a strip made ossible, and the two may readily be formed with a curved bead portion, wing pormerge and interlocked with the metal bead. tions, web portions connecting the wing p01 20 Of the accompanying drawings, which illustions with the bead portion, and perforations trate one form in which the invention may be each formed by removing a part of an adj oinembodied,-Figure 1 represents a perspective ing web and bead portion. v View of a metal corner bead. Fig. 2 repre- 3. A corner bead composed of a strip sents an elevation thereof. Fig. 3 repreformed with a bead portion of quadrant 2 sents a top edge view. Fig. 4 represents a shaped cross section, converging webs exsection on the line 44 of Fig. 2. Fig. 5 l tending from the extremities of the quadrepresents a section of a corner to which the rant, diverging wings extending from the inbead is attached. ner extremities of the webs, and a series of The same reference characters indicate the perforations in each web, each perforation 30 same parts wherever they occur. including a portion of the quadrant.

strip of which the central longitudinal porformed with attaching wings, a web exten tion is curved so as to form a bulging bead ing from each wing, an outwardly bulging portion 10. When ada ted for use on a bead ortion connecting the outer extremi- 35 ninety degree corner, t e bead portion is ties 0 the Webs,and a series of perforations preferably a quadrant, as shown. From the in the juncture of each web and the bead edges of the bead ortion, the metal is bent portion, each perforation forming an indeninwardly so as to orm converging webs 11. tation in the marginal portion of the bead.

The invention is embodied inasheet metal 4. A corner bead composed of a strip From the inner extremities of the web por- 5 In testimony whereof I have affixed my 40 gions, the irlnetal is bent outwardly so as to l signature, in presence of two witnesses.

orm attac ing wings 12. The wings may be rovided with perforations 13 and fastened MICHAEL HANNON' y nails driven therethrough.

In order to provide for the interlocking of 45 the plastering 14, the web portions are pro- Witnesses:

E. BATOHELDER, PETER W. PEzzETTI. 

